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Long non-coding mRNA

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https://www.readbyqxmd.com/read/28934732/long-noncoding-rna-cir-promotes-chondrocyte-extracellular-matrix-degradation-in-osteoarthritis-by-acting-as-a-sponge-for-mir-27b
#1
Yu-Fei Li, Shu-Hua Li, Yong Liu, Ya-Tong Luo
BACKGROUND/AIMS: Osteoarthritis (OA) is a degenerative joint disease characterized by articular cartilage degradation. The degradation of the extracellular matrix (ECM) of chondrocyte is closely associated with the destruction of joints in OA patients. lncRNAs are non-coding segments of RNA that possess important regulatory functions at the cellular level and in a variety of pathophysiological processes. The present study was conducted to investigate whether lncRNA-CIR regulated the expression of MMP13 as a sponge of miR-27 in OA...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28931210/long-noncoding-rna-pcat-1-promotes-invasion-and-metastasis-via-the-mir-129-5p-hmgb1-signaling-pathway-in-hepatocellular-carcinoma
#2
Deyuan Zhang, Jinyu Cao, Qingling Zhong, Liangtao Zeng, Chang Cai, Lang Lei, Wen Zhang, Fanrong Liu
OBJECTIVE: The long non-coding RNA (lncRNA) prostate cancer-associated transcript 1(PCAT-1) has been shown to be dysregulated and exert vital roles in tumorigenesis and progression of various malignancies. However, the precise molecular mechanism in the metastasis and invasion of HCC remain unclear. METHODS: The expression levels of PCAT1 derived from human HCC tissues and cell lines were analyzed through quantitative real-time PCR. QRT-PCR was also applied to detect the expression of HMGB1 and miR-129-5p...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28919047/long-non-coding-rna-657-suppresses-hepatocellular-carcinoma-cell-growth-by-acting-as-a-molecular-sponge-of-mir-106a-5p-to-regulate-pten-expression
#3
Bingren Hu, Huajie Cai, Ru Zheng, Shouzhang Yang, Zhenxu Zhou, Jinfu Tu
Previous study has identified the aberrant expression of LINC00657, a long non-coding RNA (lncRNA), in human breast cancer. However, the expression pattern, biological function and underlying mechanism of LINC00657 in human hepatocellular carcinoma (HCC) remain obscure. The expression levels of LINC00657 in HCC tissues and cell lines were determined by quantitative real-time PCR. CCK-8 assay, cell colony formation assay, cell cycle analysis, Transwell assay were performed to determine whether LINC00657 could affect HCC progression...
September 14, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28916736/silencing-of-urothelial-carcinoma-associated-1-inhibits-the-proliferation-and-migration-of-medulloblastoma-cells
#4
Xie Zhengyuan, Xiao Hu, Wang Qiang, Li Nanxiang, Cai Junbin, Zhang Wangming
BACKGROUND UCA1 is a long non-coding RNA that has been found to be aberrantly upregulated in various cancers. The aim of this study was to determine the expression level and function of UCA1 in medulloblastoma, the most common malignant brain tumor during childhood. MATERIAL AND METHODS Real-time PCR was used to detect the expression of UCA1 in medulloblastoma specimens and cell lines. Lentiviral-mediated expression of a short hairpin RNA (shRNA) targeting UCA1 or a negative control shRNA was also achieved with the medulloblastoma cell line, Daoy...
September 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28915634/dna-methylation-signature-of-long-noncoding-rna-genes-during-human-pre-implantation-embryonic-development
#5
Jingyu Li, Wei Han, Xiaoli Shen, Shubiao Han, Hong Ye, Guoning Huang
DNA methylation have crucial roles in regulating the expression of developmental genes during mammalian pre-implantation embryonic development (PED). However, the DNA methylation dynamic pattern of long noncoding RNA (lncRNA) genes, one type of epigenetic regulators, in human PED have not yet been demonstrated. Here, we performed a comprehensive analysis of lncRNA genes in human PED based on public reduced representation bisulphite sequencing (RRBS) data. We observed that both lncRNA and protein-coding genes complete the major demethylation wave at the 2-cell stage, whereas the promoters of lncRNA genes show higher methylation level than protein-coding genes during PED...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915561/differentially-expressed-lncrnas-and-mirnas-with-associated-cerna-networks-in-aged-mice-with-postoperative-cognitive-dysfunction
#6
Changwei Wei, Ting Luo, Shanshan Zou, Xiaobin Zhou, Wenzhen Shen, Xiaolin Ji, Qi Li, Anshi Wu
Postoperative cognitive dysfunction (POCD) is a common postoperative complication observed in elderly patients. Using microarray analyses, we comprehensively compared long non-coding RNA (lncRNA), messenger RNA (mRNA), and microRNA (miRNA) expression profiles in hippocampal tissues from a mouse model of POCD and control mice. A total of 175 lncRNAs, 117 mRNAs, and 26 miRNAs were differentially expressed between POCD and control mice. Gene ontology (GO) and KEGG pathway enrichment analyses were performed to explore the principal functions of dysregulated genes...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28910376/long-non-coding-rna-set-and-mir-155-regulate-the-tnf%C3%AE-gene-allelic-expression-profile
#7
Chrysoula Stathopoulou, Manouela Kapsetaki, Kalliopi Stratigi, Charalampos Spilianakis
It is becoming increasingly appreciated that the non-coding genome may have a great impact on the regulation of chromatin structure and gene expression. The innate immune response can be mediated upon lipopolysaccharide stimulation of macrophages which leads to immediate transcriptional activation of early responsive genes including tumor necrosis factor alpha (Tnfα). The functional role of non-coding RNAs, such as lncRNAs and microRNAs, on the transcriptional activation of proinflammatory genes and the subsequent regulation of the innate immune response is still lacking mechanistic insights...
2017: PloS One
https://www.readbyqxmd.com/read/28894025/attenuation-of-mir-34a-protects-cardiomyocytes-against-hypoxic-stress-through-maintenance-of-glycolysis
#8
Ying Zhang, Gang Liu, Xiaogang Gao
MicroRNAs (miRNAs) are a class of endogenous, short single-stranded non-coding RNAs, which are tightly linked to cardiac disorders such as myocardial ischemia/reperfusion (I/R) injury. MiR-34a is known to be involved in the hypoxia-induced cardiomyocytes apoptosis. However, the molecular mechanisms are unclear. In this study, we demonstrate under low glucose supply, rat cardiomyocytes are susceptive to hypoxia. Under short time hypoxia, cellular glucose uptake and lactate product are induced but under long time hypoxia, the cellular glucose metabolism are suppressed...
September 11, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28886306/lncrna-h19-contributes-to-rh2-mediated-mc3t3-e1cell-proliferation-by-regulation-of-osteopontin
#9
B Dong, T-T Pang
20(R)-ginsenoside Rh2 (Rh2) is one of the most active components of red ginseng, possessing the beneficial effects in cancer prevention and metabolic diseases. However, the detailed mechanisms that contribute to Rh2-mediated bone formation remain largely unknown. In this study, we assessed the expression of 17 long non-coding RNAs (lncRNAs) in cultured MC3T3-E1 cells under Rh2 treatments. We found that lncRNA H19 was significantly increased in Rh2-treated MC3T3-E1 cells. Expression of lncRNA H19 was promoted in a dose- and time-dependent manner after Rh2 treatments...
August 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28881680/identification-of-dysregulated-long-non-coding-rnas-micrornas-mrnas-in-tnm-i-stage-lung-adenocarcinoma
#10
Ziqiang Tian, Shiwang Wen, Yuefeng Zhang, Xinqiang Shi, Yonggang Zhu, Yanzhao Xu, Huilai Lv, Guiying Wang
Lung adenocarcinoma (LUAD) is the primary subtype in lung cancer, which is the leading cause of cancer-related death worldwide. This study aimed to investigate the aberrant expression profiling of long non-coding RNA (lncRNA) in TNM I stage (stage I) LUAD. The lncRNA/mRNA/miRNA expression profiling of stage I LUAD and adjacent non-tumor tissues from 4 patients were measured by RNA-sequencing. Total of 175 differentially expressed lncRNAs (DELs), 1321 differentially expressed mRNAs (DEMs) and 94 differentially expressed microRNAs (DEMIs) were identified in stage I LUAD...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881636/the-landscape-of-dna-methylation-mediated-regulation-of-long-non-coding-rnas-in-breast-cancer
#11
Chunlong Zhang, Xinyu Wang, Xuecang Li, Ning Zhao, Yihan Wang, Xiaole Han, Ce Ci, Jian Zhang, Meng Li, Yan Zhang
Although systematic studies have identified a host of long non-coding RNAs (lncRNAs) which are involved in breast cancer, the knowledge about the methyla-tion-mediated dysregulation of those lncRNAs remains limited. Here, we integrated multi-omics data to analyze the methylated alteration of lncRNAs in breast invasive carcinoma (BRCA). We found that lncRNAs showed diverse methylation patterns on promoter regions in BRCA. LncRNAs were divided into two categories and four subcategories based on their promoter methylation patterns and expression levels be-tween tumor and normal samples...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881531/-gene-expression-profiles-of-long-non-coding-rnas-in-human-degenerated-intervertebral-disc-tissue
#12
Z Y Sun, P Yan, S J Wang, H Liang, Y Li, D G Wang, J W Tian
Objective: To investigate the gene expression profiles of long non-coding RNAs (lncRNA)in human degenerated intervertebral disc degeneration (IDD). Methods: An lncRNA-mRNA microarray analysis of human nucleus pulposus (NP) was employed. Bioinformatics prediction was also applied to delineate the functional roles of the differentially expressed lncRNAs. Several lncRNAs and mRNAs were chosen for quantitative real-time PCR (qRT-PCR) validation. Results: A total of 1 570 lncRNAs expressed in degenerate group compared with the nondegenerate group...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28873379/a-novel-long-non-coding-rna-sox21-as1-indicates-a-poor-prognosis-and-promotes-lung-adenocarcinoma-proliferation
#13
Xiyi Lu, Chenjun Huang, Xuezhi He, Xinyin Liu, Jianmei Ji, Erbao Zhang, Wei Wang, Renhua Guo
BACKGROUND: In recent years, long non-coding RNAs (lncRNAs) have been shown to be a novel class of regulators of cancer biological processes. Although lncRNAs are dysregulated in numerous cancer types, limited data are available on the expression profiles and potential functions of lncRNAs in lung adenocarcinoma (LUAD). This study evaluated the expression and biological roles of lncRNA SOX21 antisense RNA 1 (SOX21-AS1) in LUAD. METHODS: Quantitative reverse transcription PCR (qRT-PCR) was performed to detect the expression levels of SOX21-AS1 in 68 pairs of LUAD tissues and corresponding non-tumor tissues...
July 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28866639/over-expression-of-mirna-9-generates-muscle-hypercontraction-through-translational-repression-of-the-troponin-t-in-drosophila%C3%A2-indirect-flight-muscles
#14
Prasanna Katti, Divesh Thimmaya, Aditi Madan, Upendra Nongthomba
miRNAs are small non-coding endogenous RNAs, typically 21-23 nucleotides long, that regulate gene expression, usually post-transcriptionally by binding to the 3'-UTR of target mRNA, thus blocking translation. The expression of several miRNAs is significantly altered during cardiac hypertrophy, myocardial ischemia, fibrosis, heart failure and other cardiac myopathies. Recent studies have implicated miR-9 in myocardial hypertrophy. However a detailed mechanism remains obscure. In this study, we have addressed the roles of miR-9 in muscle development and function using the genetically tractable model system, the indirect flight muscles (IFMs) of Drosophila melanogaster Bioinformatics analysis identified 135 potential miR-9a targets, of which 27 genes were associated with Drosophila muscle development...
September 2, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28857668/malat1-mir-124-capn4-axis-regulates-proliferation-invasion-and-emt-in-nasopharyngeal-carcinoma-cells
#15
Baoyuan Shi, Yandan Wang, Fengfang Yin
BACKGROUND: Long non-coding RNA MALAT1 (Metastasis-associated lung Adenocarcinoma transcript-1) has been demonstrated to play a critical role in the regulation of cancer progression and metastasis. However, little is known about MALAT1 in nasopharyngeal carcinoma (NPC) pathogenesis and progression. METHODS: Quantitative real-time PCR (qRT-PCR) was conducted to measure the expression of MALAT1, miR-124 and Capn4 mRNA in NPC cell lines. The protein level of Capn4 was examined by western blot analysis...
August 31, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28854977/up-regulation-of-lncrna-casc9-promotes-esophageal-squamous-cell-carcinoma-growth-by-negatively-regulating-pdcd4-expression-through-ezh2
#16
Yuanyuan Wu, Liwen Hu, Yan Liang, Juan Li, Kai Wang, Xuedan Chen, Hui Meng, Xingying Guan, Kang Yang, Yun Bai
BACKGROUND: Abnormal expression of numerous long non-coding RNAs (lncRNAs) has been reported in esophageal squamous cell carcinoma (ESCC) recently, but the great majority of their roles and mechanisms remain largely unclear. We aim to identify the critical ESCC-associated lncRNAs and elucidate the functions and mechanisms in detail. METHODS: Microarrays were used to analyze the differentially expressed lncRNAs in ESCC tissues. qRT-PCR was used to verify the result of microarrays...
August 30, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28854101/analyses-of-long-non-coding-rna-and-mrna-profiles-in-the-spinal-cord-of-rats-using-rna-sequencing-during-the-progression-of-neuropathic-pain-in-an-sni-model
#17
Jun Zhou, Youling Fan, Hongtao Chen
The pathogenesis of neuropathic pain (NP) is characterized by an increased responsiveness of nociceptive neurons in the nervous system. However, the molecular mechanisms underpinning the NP still remain elusive. Recent data suggest that long non-coding RNAs (lncRNAs) regulate expression of NP-associated genes. Herein, we analyzed lncRNAs and mRNA profiles in the spinal cord of rats by RNA sequencing during the progression of NP in a spared nerve injury (SNI) model. Sprague-Dawley (SD) rats were employed for the establishment of the SNI models, and nociceptive responses to mechanical and thermal stimuli were measured 3 hours prior to surgery and on postoperative days 1, 3, 7 and 14, with L [4-5] spinal cords extracted from three SD rats under deep anesthesia at each time point after behavioral test...
August 30, 2017: RNA Biology
https://www.readbyqxmd.com/read/28844995/-expression-profile-of-long-non-coding-rna-in-non-alcoholic-fatty-liver-disease
#18
Chuanzheng Sun, Feizhou Huang, Wenguang Yan, Huaizheng Liu, Changfa Wang
To analyze the characteristics of long non-coding RNA (lncRNA) expression in non-alcoholic fatty liver disease (NAFLD).
 Methods: lncRNA-mRNA microarray was conducted on the liver tissue samples from 10 patients with simple gallbladder stone (5 NAFLD liver samples and 5 normal liver samples), and the differentially expressed lncRNA was analyzed by bioinformatics technology.
 Results: Compared with the normal liver samples, there were abnormal expression of 1 735 lncRNAs and 1 485 mRNAs in NAFLD liver samples...
July 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28839203/fine-particulate-matter-2-5-exerted-its-toxicological-effect-by-regulating-a-new-layer-long-non-coding-rna
#19
Qiansheng Huang, Yulang Chi, Junjun Deng, Yiyao Liu, Yanyang Lu, Jinsheng Chen, Sijun Dong
Fine particulate matter (PM2.5) exposure, especially to its organic components, induces adverse health effects on the respiratory system. However, the molecular mechanisms have still not been fully elucidated. Long non-coding RNA (lncRNA) is involved in various physio-pathological processes. In this study, the roles of lncRNA were investigated to reveal the toxicology of PM2.5. Organic extracts of PM2.5 from Nanjing and Shanghai cities were adopted to treat human bronchial epithelial cell lines (BEAS-2B and A549)...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28835372/pervasive-coexpression-of-spatially-proximal-genes-is-buffered-at-the-protein-level
#20
Georg Kustatscher, Piotr Grabowski, Juri Rappsilber
Genes are not randomly distributed in the genome. In humans, 10% of protein-coding genes are transcribed from bidirectional promoters and many more are organised in larger clusters. Intriguingly, neighbouring genes are frequently coexpressed but rarely functionally related. Here we show that coexpression of bidirectional gene pairs, and closeby genes in general, is buffered at the protein level. Taking into account the 3D architecture of the genome, we find that co-regulation of spatially close, functionally unrelated genes is pervasive at the transcriptome level, but does not extend to the proteome...
August 23, 2017: Molecular Systems Biology
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